Safety Stairwells, corridors, hallways, cellars - The general safety and fire protection conditions must be observed without restriction. - Stairwells, corridors, hallways, cellars, garbage rooms and utility rooms are not storage rooms and may therefore not be used for depositing or storing objects, vehicles, etc. Baby carriages and wheelchairs must be placed in such a way that they do not obstruct through traffic. It is forbidden by the police to store flammable materials in the above-mentione...